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ICSE Class 10 Answered

2x4 - 5x2+3=0
Asked by sushenmahato74 | 20 Jun, 2022, 07:43: PM
Expert Answer
2x4 - 5x2 + 3 = 0
2x4 - 2x2 - 3x2 + 3 = 0
2x2(x2 - 1) - 3(x2 - 1) = 0
(x2 - 1) (2x2 - 3) = 0
(x2 - 1) = 0 or (2x2 - 3) = 0
x2 = 1 or 2x2 = 3
x = 1, -1 or x = -3/2, 3/2
Answered by Renu Varma | 21 Jun, 2022, 10:48: AM

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